|
Preparation of ethers by acid-catalysed dehydration of secondary and tertiary alcohols is not a suitable method. Give reason
|
|
1
|
2066
|
November 4, 2016
|
|
How is 1-propoxy propane synthesised from propan-1-ol ? Write the mechanism of this reaction
|
|
1
|
2525
|
November 4, 2016
|
|
The following is not an appropriate reaction for the preparation of tert-butyl methyl ether:
|
|
2
|
5947
|
November 4, 2016
|
|
Write the equation for the reaction of hydrogen iodide with
|
|
2
|
5667
|
November 4, 2016
|
|
Write the mechanism of the reaction of HI with methoxy methane
|
|
1
|
6477
|
November 4, 2016
|
|
Explain why O = C = 0 is non-polar while R—O—R is polar?
|
|
1
|
3100
|
November 4, 2016
|
|
Give reason for the higher boiling point of ethanol in comparison to methoxy methane
|
|
2
|
1622
|
November 4, 2016
|
|
Which of the following is an appropriate set of reactants for the preparation of 1-methoxy-4-nitrobenzene and why?
|
|
2
|
2496
|
November 4, 2016
|
|
Write the reaction of Williamson’s synthesis of 2-ethoxy-3-methyl pentane starting from ethanol, and 3-methyl pentan-2-ol
|
|
1
|
7611
|
November 4, 2016
|
|
Write the names of reagents and equations
|
|
2
|
1880
|
November 4, 2016
|
|
Draw the structures of the compounds whose IUPAC names are as follows:
|
|
2
|
387
|
November 4, 2016
|
|
How will you convert phenol to benzoic acid?
|
|
2
|
10862
|
November 4, 2016
|
|
How are the following conversions carried out?
|
|
2
|
7770
|
November 4, 2016
|
|
Draw the structures of all isomeric alcohols
|
|
2
|
1885
|
November 4, 2016
|
|
Give the structures of the products
|
|
2
|
1204
|
November 4, 2016
|
|
Predict the major product of acid catalysed dehydration of
|
|
2
|
10116
|
November 4, 2016
|
|
Give two reactions that show the acidic nature of phenol. Compare acidity of phenol with that of ethanol
|
|
1
|
3389
|
November 4, 2016
|
|
Draw the structure of the products of the following
|
|
2
|
319
|
November 4, 2016
|
|
Give the structures and IUPAC names of monohydric phenols
|
|
1
|
1781
|
November 4, 2016
|
|
Classify the following as primary, secondary and tertiary alcohols
|
|
2
|
1578
|
November 4, 2016
|
|
Describe the chemical test to distinguish between ethanol and phenol
|
|
1
|
15394
|
November 4, 2016
|
|
Explain how does
|
|
2
|
533
|
November 4, 2016
|
|
Why is the reactivity of all the three classes of alcohols with cone
|
|
2
|
3247
|
November 4, 2016
|
|
Give reason for the following:
|
|
2
|
1084
|
November 4, 2016
|
|
Ortho and para-nitrophenols are more acidic than phenol
|
|
2
|
11659
|
November 4, 2016
|
|
Explain why is ortho-nitrophenol more acidic than ortho-methoxyphenol?
|
|
1
|
2410
|
November 4, 2016
|
|
Arrange the following compounds in the increasing order of acidity and give a suitable explanation. Phenol, o-nitrophenol, o-cresol
|
|
1
|
6761
|
November 4, 2016
|
|
Out of 2-chloroethanol and ethanol which is more acidic and why?
|
|
1
|
3918
|
November 4, 2016
|
|
Show how are the following alcohols prepared by the reaction of a suitable Grignard reagent on methanal?
|
|
2
|
1407
|
November 4, 2016
|
|
How do you convert the following?
|
|
2
|
3254
|
November 4, 2016
|
